Contract Drilling - United States

Ensign is the fifth largest drilling contractor in the United States, with a dominant position in the Rocky Mountain and California regions. Ensign has two main contract drilling operating subsidiaries in the United States:

Ensign United States Drilling

Ensign United States Drilling Inc. is the second largest and most active land-based drilling contractor in the Rocky Mountain region, one of the most active areas in the United States for oil and natural gas drilling. Based in Denver, Colorado, Ensign Rockies’ operations span eight states – Montana, Wyoming, Colorado, Utah, North Dakota, South Dakota, Nebraska and Nevada.

Suite 777, 1700 Broadway, Denver, CO 80290 USA
Tel    (303) 292-1206 Fax (303) 292-5843

Ensign United States Drilling (California)

Ensign United States Drilling (California) operates in the San Joaquin, Los Angeles and Sacramento basins of California. Ensign California’s operations are based in Bakersfield, California.

7001 Charity Avenue, Bakersfield, CA 93308 USA
Tel    (661) 589-0111 Fax (661) 589-0283

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